Investment Securities Text Tags (Details) - USD ($)	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2022
Schedule of Investments [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	23
Proceeds from Sale of Debt Securities, Available-for-sale	$ 0	$ 0
Debt Securities, Available-for-sale	$ 60,718,000		$ 67,596,000
Percentage Available-for-sale Securities	92.30%
Debt Securities, Held-to-maturity	$ 5,100,000		5,254,000
Percentage Held-to-maturity Securities	7.70%
Trading	$ 0
Mortgage-backed securities
Schedule of Investments [Line Items]
Percentage Available-for-Sale, Continuos Unrealized Loss Position	54.60%
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions	4
Debt Securities, Available-for-sale	$ 30,671,000		33,579,000
US Government Agency Securities
Schedule of Investments [Line Items]
Percentage Available-for-Sale, Continuos Unrealized Loss Position	12.50%
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions	2
Debt Securities, Available-for-sale	$ 11,819,000		13,785,000
Municipal Securities
Schedule of Investments [Line Items]
Percentage Available-for-Sale, Continuos Unrealized Loss Position	26.00%
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions	1
Debt Securities, Available-for-sale	$ 14,419,000		15,768,000
Corporate Bonds
Schedule of Investments [Line Items]
Percentage Available-for-Sale, Continuos Unrealized Loss Position	6.30%
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions	1
Debt Securities, Available-for-sale	$ 3,469,000		$ 4,121,000